The Heart
What are the two upper chambers of the heart?
Atria or Atrium
What are the three main types of blood vessels?
Arteries, Capillaries, Veins
What is the movement of blood to heart tissues called?
Coronary circulation
What are the four main components of blood?
Erythrocytes, leukocytes, thrombocytes, plasma
What are the two main vital signs of the cardiovascular system?
Blood pressure and pulse
What is the function of the atria?
Receiving blood from the veins which lead to the heart
What is the function of the arteries?
Carry oxygenated blood away from the heart
What is the movement of blood from the heart to the lungs and back to the heart called?
Pulmonary circulation
What is the function of red blood cells?
To transport oxygen and carbon dioxide
What is heart rate?
The number of times the heart beats per minute
What are the two lower chambers of the heart?
Ventricles
What is the function of veins?
Carry deoxygenated blood toward the heart
What is the movement of blood throughout the body tissues called?
Systemic circulation
What is the function of white blood cells?
To fight infection and aid the immune response
What is blood pressure?
The force exerted by blood on the walls of the arteries as it pumps blood through the body
What is the function of the ventricles?
Pumping blood away from the heart
What is the function of capillaries?
Carry oxygen out and nutrient exchange at the tissues
What is the purpose of pulmonary circulation?
Ensures deoxygenated blood is oxygenated to be sent throughout the body
What is the function of platelets?
To assist in clotting
What is the range for resting heart rate (normal) in adults?
60 - 100
What is the purpose of the cardiac valves?
To open and close to maintain blood flow through the heart
What is the largest artery in the body?
Aorta
What is the purpose of systemic circulation?
Ensures tissues receive oxygen and nutrients
What is the fluid in which other blood cells are suspended called?
Plasma
What is the normal range for blood pressure in adults?
90 - 120 systolic pressure
60 - 80 diastolic pressure